April 1927

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Features

Missing Links of the Gobi Desert

How a Handful of Fossils Has Filled a Former Gap in the Evolution Tree

By William K. Gregory

The Next Great Comet Is About Due

New Knowledge May Enable Scientists This Time to Fathom Its Secrets

By Henry Norris Russell

Fishes that Can Shock You

Electric Rays, Electric Eels, Electric Catfish and Some Other Fishes Deliver Strong Electric Shocks. How the Electricity Is Generated Is Not Yet Thoroughly Established

By David Starr Jordan

Uncle Sam Spendthrift—IX

Neglect Causes 200 Million Dollars Yearly Loss by Soil Erosion

By Hugh Hammond Bennett

The Month in Medical Science, April 1927

A Review and Commentary on Progress in the Medical and Surgical Field

By Morris Fishbein

"Hello, London—New York Calling"

" . . . Marks the Beginning of a New Epoch in Communication Between Two Hemispheres"

By Orrin E. Dunlap Jr.

"Metropolis"—A 'Movie' Forecast of the Future

Transporting a River Over Mountains

Tapped at a Point 260 Miles From Los Angeles, the Colorado River Is to Furnish Part of the Water Supply for That City

By Edgar Lloyd Hampton

Inventors Who Have Achieved Commercial Success, April 1927

The Fourth Interview of this Series is With the Inventor Who Has Perfected the Production of Animated Cartoons

By Milton Wright

Twentieth-Century Railroad Building

Thirty-nine Million Dollars Spent to Improve the Railroad Connection Between Oregon and California. Natron Cut-off Reduces Grades and Curvature, and Opens Up a Great Area of Undeveloped Country

In the Editor's Mail, April 1927

The Heavens in April 1927

Commercial Property News, April 1927

Patents Recently Issued, April 1927

Purchase To Read More

Digital Issue ?Read or download this issue’s articles online. *A printed copy of this issue is not included. $7.99

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